<template>
  <div class="home">
      <a-layout>
          <a-layout-sider width="200" style="background: #fff">
              <a-menu
                      mode="inline"
                      :style="{ height: '100%', borderRight: 0 }"
                      @click="handleClick"
              >
                  <a-menu-item key="welcome">
                      <MailOutlined></MailOutlined>
                      <span>欢迎</span>
                  </a-menu-item>
                  <a-sub-menu v-for="item in level1" :key="item.id" >
                      <template v-slot:title>
                          <span><user-outlined></user-outlined>{{item.name}}</span>
                      </template>
                      <a-menu-item v-for="child in item.children" :key="child.id">
                          <MailOutlined></MailOutlined><span>{{child.name}}</span>
                      </a-menu-item>
                  </a-sub-menu>
              </a-menu>
          </a-layout-sider>
          <a-layout-content
                  :style="{ background: '#fff', padding: '24px', margin: 0, minHeight: '280px' }"
          >

              <div class="welcome" v-show="isShowWelcome">
                  <the-welcome></the-welcome>
              </div>

              <a-list v-show="!isShowWelcome" item-layout="vertical" size="large" :grid="{gutter:20,column:3}" :data-source="ebooks">

                  <template #renderItem="{ item }">
                      <a-list-item key="item.name">
                          <template #actions>
                              <span>
                                  <component :is="'FileOutlined'" style="margin-right: 8px"/>
                                  {{ item.docCount }}
                              </span>
                              <span>
                                  <component :is="'LUserOutlined'" style="margin-right: 8px"/>
                                  {{ item.viewCount }}
                              </span>
                              <span>
                                  <component :is="'LikeOutlined'" style="margin-right: 8px"/>
                                  {{ item.voteCount }}
                              </span>
                          </template>
                          <a-list-item-meta :description="item.description">
                              <template #title>
                                  <router-link :to="'/doc?ebookId='+item.id">
                                      {{item.name}}
                                  </router-link>
                              </template>
                              <template #avatar>
                                  <a-avatar :src="item.cover"/>
                              </template>
                          </a-list-item-meta>
                      </a-list-item>
                  </template>
              </a-list>
          </a-layout-content>
      </a-layout>
  </div>
</template>

<script lang="ts">
import { defineComponent,onMounted,ref,reactive,toRef} from 'vue';
import axios from 'axios';
import {message} from 'ant-design-vue';
import {Tool} from '@/uitls/tool';
import TheWelcome from '@/components/the-welcome.vue';

export default defineComponent({
  name: 'HomeView',
    components:{
        TheWelcome
    },
    setup() {
        const ebooks =ref();
        const ebooks2 =reactive({books:[]});

        //分类相关
        const level1 = ref();
        /*
        * 查询所有分类*/
        const  handleQueryCategory = ()=>{
            axios.get("/category/allList").then((resp)=>{
                const data = resp.data;

                if (data.success){
                    console.log(data.content);
                    console.log("原始数组：",data.content);

                    level1.value = [];
                    level1.value = Tool.array2Tree(data.content,0);
                    console.log("树形结构：",level1);
                } else {
                    message.error(data.message);
                }
            });
        };

        const handleQueryEbook=()=>{
            axios.get("/ebook/getEbookListByPage",{
                params:{
                    page:1,
                    size:1000,
                    category2Id:category2Id
                }
            }).then((resp) => {
                ebooks.value =resp.data.content.list;
                /*                ebooks2.books =resp.data.content;*/
            })
        };

        const isShowWelcome =ref(true);
        let category2Id=0;

        const handleClick =(value:any)=>{
            if(value.key==='welcome'){
                isShowWelcome.value=true;
            }else {
                category2Id=value.key;
                isShowWelcome.value=false;
                handleQueryEbook();
            }
        };

        onMounted(() => {
            handleQueryCategory();
        });

        const pagination = {
            onChange: (page: number) => {
                console.log(page);
            },
            pageSize: 3,
        };

        return{
            ebooks,
            books:toRef(ebooks2,"books"),
            pagination,
            level1,
            handleClick,
            isShowWelcome,
        }
    }
});
</script>

<style scoped>
    .ant-avatar {
        width: 50px;
        height: 50px;
        line-height: 50px;
        border-radius: 8%;
        margin: 5px 0;
    }
</style>
